#
# µû¶óÇÏ¸ç ¹è¿ì´Â ÆÄÀ̽ã°ú µ¥ÀÌÅÍ°úÇÐ(»ý´ÉÃâÆÇ»ç 2020)
# LAB 5-10 ¼ýÀÚ ÇÕ»êÇϱâ, 133ÂÊ
#
total = 0
answer = 'yes'
while answer == 'yes':
number = int(input('¼ýÀÚ¸¦ ÀÔ·ÂÇϽÿÀ: '))
total = total + number
answer = input('°è¼Ó?(yes/no): ')
print('ÇÕ°è´Â : ', total)